Detachable means for holding separate devices employed in process ing motion-picturefilm lmmovable relative to one another



May 25, 1954 BA|A 2,679,180

DETACHABLE MEANS FOR HOLDING SEPARATE DEVICES EMPLOYED IN PROCESSING MOTION-PICTURE FILM IMMOVABLE RELATIVE TO ONE ANOTHER Filed NOV. 15, 1952 "ii llllll" a i IN V EN TOR.

a 75272 .Bazle. r BY Patented May 25, 1954 UNITED STATES PATENT OFFICE DETACHABLE MEANS FOR HOLDING SEP- ABATE DEVICES EMPLOYED IN PROCESS- ING MOTION-PICTURE FILM IMMOVABLE RELATIVE TO ONE ANOTHER Philip Baia, Highland Park, Mich.

Application November 15, 1952, Serial No. 320,800

3 Claims. 1

This invention relates to detachable means for holding separate devices employed in processing motion picture film immovable relative to one another. At the present time it is customary to permanently secure rewind devices upon a board or other rigid member in correct spaced relation, usually with a viewer also mounted thereon between the said rewind. devices. However this practice is open to a number of objections. For instance, while each separate device by itself is sufficiently small and compact to be easily handled or readily packed for storage when not in use, it is not only much more diflicult to handle or store the entire assembly, but it isalso far harder to adequately protect the separate parts when so mounted against dust and dirt.

This invention aims, among other things, to provide means both integral with the devices themselves and removable from them for securing the separate devices in correct spaced relation to one another, to the end that when use of the devices in combination is no longer required they may be quickly and easily disassociated from one another so that each device may be separately moved, packed or stored independently of each other device.

Having thus briefly stated the general purpose of the invention, and the advantage thereof, I will now describe it in detail with the aid of the accompanying drawing, in which:

Figure l is a plan view showing an assembly including a viewer, and a rewind device secured in spaced relation thereto on each side thereof.

Figure 2 is a front elevation of Figure 1.

Figures 3 and 4 are enlarged sections on the lines 3-3 and 4-4 respectively of Figure 2.

Figure 5 is a modification in so far that only two rewind devices are shown held in spaced relation to one another by a single spacer element.

In Figures 1 to 4, inclusive, the invention is shown as applied to one known form of viewer I, such as that disclosed in my United States Patent No. 2,422,816, for holding it in spaced relation between two conventional rewind devices 2, such as the one shown in my United States Patent No. 2,555,671.

The film viewer I consists in part of a stand 3 having a lens mounting 4 thereon to support a lens 5 across which a film 6 passes. The film is guided in its passage across the lens 5 by guides 1 mounted on opposite sides of the mounting 4. Each rewind device consists in part of a stand 8 on which a spindle 9 is rotatably supported, and carried on each spindle for rotation therewith in a spool Iii around which one extremity of the film 6 is wound.

Formed integral with the stand 3 of the optical film viewer i and extending inwardly from opposite sides thereof are aligned tubular socket members II, the axes of which are parallel with the path of movement of the film 8 between the guides l, and removably mounted in each tubular member Ii is one extremity of a spacer element I2. A stop It is provided in each socket mem-- her it for limiting the distance an element I2" may be inserted so that when one extremity of an element rests against each stop the op-- posite extremity projects a predetermined distanoe from its socket member I I.

the bore of each annular member II is an aperture M the inner portion of which is threadedi and smaller in diameter than its outer portion. Formed through each spacer element I2 adjacent. each extremity is a radial opening I5; more-- over the opening in one extremity of each element is at right angles to the opening in the opposite extremity. The opening I5 in one extremity of each element It registers with one of the apertures I4, and engaging the threaded portion of each aperture is a screw I6 having an axial projection Ii of reduced diameter which extends into one of the openings I5 and. thus holds one tubular element immovable in its member II. It will also be noted that in order to facilitate engagement of the openings i5 by the projections IT, the latter are made long enough to extend into the openings I2 prior to engagement by the screws IS with the threaded portions of the apertures l4.

Integral with the stand 8 of each rewind device 2 is a tubular socket member I8 which extends inwardly from one side of the device and at right angles to the axis of the spindle 9 rotatably supported thereon. Extending into the bore of each tubular socket member I8 at a predetermined distance from the adjacent side of the stand is a stop It. Formed horizontally through each stand 8 and extending substantially radially through its socket member I8 is an aperture 20 the inner extremity of which is threaded and smaller in diameter than its outer extremity. Extending into each tubular socket member I8 is the extremity of one of the spacer elements I2 remote from the optical view-er I. The opening I5 through that extremity of each spacer element is positioned to register with one of the apertures 20 when the adjacent end of.

Formed verti cally through the stand 3 and projecting into.

3 that element is in contact with one of the stops I9. A screw 2i engages the thread in each aperture 20 and has an axial projection 22 thereon of reduced diameter which enters one of the openings l5 and holds that spacer element immovable relative to that rewind device 2.

It will thereforebe seen that by the insertion of the spacer socket members :2 into the tubular elements I I and I8, and by securing the said elements in position with the screws l6 and 2! the assembly is quickly made, and so made that the separate parts may be quickly'and easily detaclied from on another and from'the spacer elements when desired for storing or packing.

In the modification shown in Figure 5, the arrangement is the same except thatthc-optical viewer is omitted and two rewind devices 2-having stands 8 are held in spaced relation by a single spacer element [2a the ends of which extend into tubular socket members 18a integral with the said-stands. When'the ends of the elements We are inrcontact with stops 19a in'the socketmembers l8a the said elements are positioned for engagement-by screwsfl la in-exactly the same manner as above described.

While in the foregoing the preferred embodiments of the invention have been described and shown itis understood that alterations and modifica-tion's may-bemade thereto provided the said alterations and modifications fall within the scope of the appended claims.

What I-claimds:

1. A demountable film viewer device comprising an optical viewer-including a stand having a lens mounting thereon and-means on opposite sides of the mounting forguiding a film during its passage between them, a tubular socket member integral with the standextending inwardly from each sidethereof and parallelwiththepath of the film between the guide-means, a film rewind device spaced'from each side of theopticalyiewer, each rewind deviceincluding'a stand having a spindle rotatably mounted thereon and means on the spindle fo'rsupportinga spool for rotation therewith whereby the film may be viewed as it passes from one spool tothe otherspo'ol, atubular socket member integral'with each rewindstand and extending from one side thereof at right angles to 4 the axis of the spindle thereon, a spacer element having one extremity detachably mounted in each tubular socket member on the optical viewer and its opposite extremity detachably mounted in the tubular socket member on one of the rewinding devices, said spacer element adapted to aline said film guides with the spoolelements, and means at the lower end of each stand detaoh'ably engageable with the adjacent end of the spacer for preventing accidental disengagement of each extremity of each spacer element from the tubular socket memberin which it is mounted.

2. A deinoun'table film viewer as in claim 1,

wherein said means includes the provision of an aperture in each stand radial to the longitudi- "nal'axes ofsaid socket members and extending into th bores of said socket members, portions of all of said apertures being threaded, and a screw in threaded engagement with each aperture holding one extremity of one spacer element immovable.

3. A demountable film viewer as in claim 1, wherein said means includes the provision of an aperturein each stand'radial to the longitudinal axesof said "socket-members and'extending into the bores 01" said members, the inner portions of ail of said'apertures being threaded and smaller than their outer portions, each spacer element having a radial opening therein adjacent each extremity, a'screw in threade'd engagement with the threadin each aperture, an axialiprojection on eachscrew engaging in the openings in'one spacer'element, said projections being ofsuch length that they engage theopenings priorto engagementof the screws'with-the threads in the apertures and an abutment element in-eac'h tubular socket member for limiting the movements of each spacer element into :its tubular socket member.

References Gite'd *in the file of this patent UNITED STATES PATENTS Number Name Date 820,441 Roebuck :May 15, 1906 2,148,508 Seitz "Feb. 28, 1939 2,218,256 Bechtel Oct.'=15, 1940 1,256,899 Greenwood i :Sept.23, 1941 

